Download the Acer PC Suite And Acer PC Driver:

After that you have know Model No of Mobile then Type in "Search by Product Model" then they offer auto suggestion list so choose Acer Product which you have using then click on "Search" button and for more info please see image:

Or you have see another option "Select my Product from a list", so select "Smartphone" in Group List, then select Series of your Mobile Phone, after that select your mobile phone in Product List, just see image for more clarification:

After that click on Download Link in Driver option and start downloading of PC Suite or PC Driver for PC.